“I’ve got a bit of a booty going on, so thank god for that. I’ve got a bit of a bruise on my left bum cheek – but other than that, I’m rocking and rolling.

“Yes I’m in a bit of pain, but it was the best moment of my life. It was one of those moments I don’t think I am every going to live down.”

Asked whether she had been informed of the stage’s movements by the production crew before she stepped onto it, she said: “I’m not allowed to discuss that at the minute,” but joked that it might give her a leverage to negotiate a slot on next year’s series of Strictly Come Dancing.

Collins, who has shown no qualms about mocking herself over the fall, shared a makeshift poster of herself as the temporary face of a work-based accident helpline.

The advert, with the National Accident Helpline logo and phone number, included a photo of her at the Wembley Arena event and the caption: “Have you had an accident at work?”

Moments after the accident, she reassured her fans that she was alright and compared herself to both fictional Helen Fielding heroine, Bridget Jones, and Madonna, who famously toppled down some steps while performing at the 2015 Brit Awards.